New Bluetooth Headset Ear-mounted Business Stereo Headset Hands-free Sports Headset With Microphone Features: Long battery life, noise reduction Bluetooth compatible headset The built-in 90 mAh polymer lithium battery is equipped with Bluetooth compatible Smart 5.2 chip, which reduces power consumption by 70%, and bid farewell to frequent charging troubles. Powerful composite power diaphragm, automatically filter external noise, clear calls with bilateral microphones Both left and right ears can be worn, Silicone ear hook design is SELE-CTED. The ear hook automatically fits according to different ear types, making it more comfortable to wear painlessly. Go to 0 delay silky experience, play games with simultaneous audio and video Product Description: Specifications: 1.Bluetooth version: 5.2 2.Transmission distance: 10 meters without barriers 3.Bluetooth protocol: HFP/HSP/A2DP/AVRCP 4.Operating temperature: -10-50 ℃ 5.Charging voltage: 5V/1A 6.Battery capacity: 90 mA 7.Charging time:1 hours 8.Music Play Time:10-12 hours 9.Calling Time:8-10 hours of continuous talk 10.Standby Time: 12 hour 11.Function keys: Key function 12.Microphone type: built-in Mic 13.Comfortable Can be worn on both left and right ears Package: 1x Bluetooth headset 1 x charging line 1 x user manual Wireless Earbuds The More You Buy, the Better the Deal We Focuses on the Quality Assurance of Its Products, So You Can Buy Without Worries. We Provide Excellent Customer Service, Feel Free to Contact Us with Any Questions. AFTER SALE SERVICE: 30 Days after sales service and exchange, reply you within 24 hours to solve your problem.